On August 12 52 years ago Vostok-4 spacecraft with Pavel Popovich onboard was launched to perform the first group flight along with Vostok-3 orbital spacecraft piloted by Andriyan Nickolayev and launched a day earlier.

The launch of four Rezonans satellites aimed at Earth’s radiation belt exploration is planned for 2017-2018, - Doctor of Physical and Mathematical Sciences Anatoly Petrukovich working for the Institute of Space Explorations of Russian Academy of Sciences reported at COSPAR conference held in Moscow.

"An estimated cost of one project aimed at the development of an automatic lunar station is 10 billion rubles (about $280 million). The project is to be completed in five or six years. The manned lunar mission will cost ten times more"